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Summary

Physical Characteristics

Pycnanthemum incanum is a PERENNIAL growing to 1 m (3ft 3in). It is in flower from Jul to September. The species is hermaphrodite (has both male and female organs) and are pollinated by Insects. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

A tea made from the leaves is diaphoretic and carminative[222]. A poultice of the leaves is used in the treatment of headaches[222, 257]. An infusion of the plant is used in the treatment of stomach upsets, fevers, colds and sinus headaches[238]. A warm infusion of the plant has been used to bathe an inflamed penis[257]. The plant is harvested as it comes into flower and can be used fresh or dried.

Other Uses

None known

Cultivation details

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in many parts of the country. The following notes are based on the general needs of the genus. Succeeds in most soils[1] but prefers a rich loamy soil in full sun or partial shade with plenty of moisture in the growing season[200].

Propagation

Seed - sow spring or autumn in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. If there are sufficient seeds they can be sown in an outdoor seedbed in April. Division in spring.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

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Botanical References

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